中控机和远端主机配置完密钥后,在中控台上通过ansible检测联通性 ansible -i inventory.cfg all -m ping 10.1.1.1 | UNREACHABLE! => { "changed": false, "msg": "Failed to connect to the host via ssh: no such identity: /root/.ssh/id_rsa.bak: No such file or dire…

在集成jenkins和ansible实现自动化部署时,root用户下执行ansible命令时可以正常运行.由于是通过jenkins用户去执行ansible命令,而jenkins用户却报如下异常: XXXXXXX | UNREACHABLE! => { "changed": false, "msg": "Failed to connect to the host via ssh.", "unreachable": true…

Centos7.5 执行ansible命令报错 问题: [root@m01 ~]# ansible servers -a "hostname" -i ./hosts -u root 172.16.1.7 | UNREACHABLE! => { "changed": false, "msg": "Failed to connect to the host via ssh: Permission denied (publickey,g…

testPing.java public class testPing { public static void main(String[] args) { Jedis jedis = new Jedis("Redis节点所在的机器的IP",6379); System.out.println(jedis.ping()); System.out.println(jedis.keys("*")); } } 出现以下错误: Failed to connect to any…

原因: 没有在ansible管理节点(即安装ansible的节点)上添加目标节点(即需要管理的节点)的ssh认证信息. 解决办法: 1.在管理节点生成公钥 ssh-keygen 路径为:~/.ssh/id_rsa.pub 2.添加目标节点的SSH认证信息,在管理节点执行如下命令 ssh-copy-id root@目标节点IP 添加认证信息后,目标节点主机的~/.ssh/目录下将会出现一个authorized_keys文件,里面包含了ansible管理节点的公钥信息,可以检查一下是否存在. 然后就…

服务器升级openssh之后jenkins构建报错了,报错信息如下: Failed to connet or change directory jenkins.plugins.publish_over.BapPublisherException:Failed to connect session for config.....Message [Algorithm negotiation fail] 升级前ssh版本:OpenSSH_5.3p1 升级后sshl版本:OpenSSH_6.8pl 解决…

客户端配置zabbix-agent 后,网页端出现Get value from agent failed: cannot connect to [[192.168.186.130]:10050]: [113]No route to host的错误,主机没法被监听 1.服务器端ping 客户端 ping 192.168.186.130 2.如果能ping通,则是因为防火墙的原因,需关闭防火墙 service iptables stop #关闭防火墙 chkconfig iptables off #…

I'm trying to register hostnames in Ambari but getting the error below. We tried to run yum update openssl but its got the latest version. We tried to run yum - update it didn’t help. I also tried removing the other openssl packages openssl-devel-1.0…

failed to connect to server , error message is:No route to host 转自:http://blog.csdn.net/miaohongyu1/article/details/11472469 https://jingyan.baidu.com/article/8cdccae946963f315413cdef.html Connect error: No route to host(errno:113) 连接错误解决办法--关闭iptabl…

说明: 出于安全考虑,阿里云默认封禁 TCP 25 端口出方向的访问流量,无法在阿里云上的云服务器通过 TCP 25 端口连接外部地址. [官方提示]:如果您需要使用阿里云上的云服务器对外部发送邮件,建议您使用阿里云邮产品或者使用第三方邮件服务商提供的 465 端口.记得添加安全组配置. 如果你确实需要使用 25 端口,可在安全管控平台中提交25端口解封申请,地址:https://help.aliyun.com/knowledge_detail/56130.html 但修改为 465 端口后发送…